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The most difficult NFSv4 client recovery case happens when the lease has expired on the server. For NFSv4.0, the client will receive a NFSERR_EXPIRED reply from the server to indicate this has happened. For NFSv4.1/4.2, most RPCs have a Sequence operation and, as such, the client will receive a NFSERR_BADSESSION reply when the lease has expired for these RPCs. The client will then call nfscl_recover() to handle the NFSERR_BADSESSION reply. However, for the expired lease case, the first reclaim Open will fail with NFSERR_NOGRACE. This patch recognizes this case and calls nfscl_expireclient() to handle the recovery from an expired lease. This patch only affects NFSv4.1/4.2 mounts when the lease expires on the server, due to a network partitioning that exceeds the lease duration or similar. MFC after: 2 weeks |
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| .. | ||
| autofs | ||
| cd9660 | ||
| cuse | ||
| deadfs | ||
| devfs | ||
| ext2fs | ||
| fdescfs | ||
| fifofs | ||
| fuse | ||
| mntfs | ||
| msdosfs | ||
| nfs | ||
| nfsclient | ||
| nfsserver | ||
| nullfs | ||
| procfs | ||
| pseudofs | ||
| smbfs | ||
| tmpfs | ||
| udf | ||
| unionfs | ||